===> Building for libmicro-0.4.0
gmake[1]: Entering directory '/Users/pbulk/build/benchmarks/libmicro/work/libMicro-0.4.0/bin-aarch64'
gcc -c -pipe -Os -D_REENTRANT ../libmicro.c -o libmicro.o
gcc -c -pipe -Os -D_REENTRANT ../libmicro_main.c -o libmicro_main.o
gcc -c -pipe -Os -D_REENTRANT ../benchmark_init.c -o benchmark_init.o
gcc -c -pipe -Os -D_REENTRANT ../benchmark_fini.c -o benchmark_fini.o
gcc -c -pipe -Os -D_REENTRANT ../benchmark_initrun.c -o benchmark_initrun.o
gcc -c -pipe -Os -D_REENTRANT ../benchmark_finirun.c -o benchmark_finirun.o
gcc -c -pipe -Os -D_REENTRANT ../benchmark_initbatch.c -o benchmark_initbatch.o
gcc -c -pipe -Os -D_REENTRANT ../benchmark_finibatch.c -o benchmark_finibatch.o
gcc -c -pipe -Os -D_REENTRANT ../benchmark_initworker.c -o benchmark_initworker.o
gcc -c -pipe -Os -D_REENTRANT ../benchmark_finiworker.c -o benchmark_finiworker.o
gcc -c -pipe -Os -D_REENTRANT ../benchmark_optswitch.c -o benchmark_optswitch.o
gcc -c -pipe -Os -D_REENTRANT ../benchmark_result.c -o benchmark_result.o
ar -cr libmicro.a libmicro.o libmicro_main.o benchmark_init.o benchmark_fini.o benchmark_initrun.o benchmark_finirun.o benchmark_initbatch.o benchmark_finibatch.o benchmark_initworker.o benchmark_finiworker.o benchmark_optswitch.o benchmark_result.o
gcc -c -pipe -Os -D_REENTRANT ../atomic.c -o atomic.o
../atomic.c:38:10: fatal error: 'atomic.h' file not found
#include <atomic.h>
         ^~~~~~~~~~
1 error generated.
gmake[1]: *** [../Makefile.com:63: atomic.o] Error 1
gmake[1]: Leaving directory '/Users/pbulk/build/benchmarks/libmicro/work/libMicro-0.4.0/bin-aarch64'
gmake: *** [Makefile:78: default] Error 2
*** Error code 2

Stop.
bmake[1]: stopped making "all" in /Volumes/data/jenkins/workspace/pkgsrc-macos-trunk-arm64/benchmarks/libmicro
*** Error code 1

Stop.
bmake: stopped making "all" in /Volumes/data/jenkins/workspace/pkgsrc-macos-trunk-arm64/benchmarks/libmicro